APA (7th ed.) Citation

Sagan, C. (2006). The varieties of scientific experience: Personal view of the search for god. The penguin.

Chicago Style (17th ed.) Citation

Sagan, Cral. The Varieties of Scientific Experience: Personal View of the Search for God. New York: The penguin, 2006.

MLA (9th ed.) Citation

Sagan, Cral. The Varieties of Scientific Experience: Personal View of the Search for God. The penguin, 2006.

Warning: These citations may not always be 100% accurate.